From 32f3124374eefc49723856fde86a65a50f6be976 Mon Sep 17 00:00:00 2001
From: Niklas Kapelle <niklas@kapelle.org>
Date: Sat, 12 Apr 2025 13:01:03 +0200
Subject: [PATCH] initial commit

---
 .gitignore      |  1 +
 Cargo.lock      | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml      |  7 +++++++
 src/id_store.rs |  1 +
 src/main.rs     |  7 +++++++
 src/parser.rs   |  8 ++++++++
 src/pm3.rs      | 34 +++++++++++++++++++++++++++++++
 7 files changed, 112 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/id_store.rs
 create mode 100644 src/main.rs
 create mode 100644 src/parser.rs
 create mode 100644 src/pm3.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..ca78754
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,54 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "fw-anwesenheit"
+version = "0.1.0"
+dependencies = [
+ "regex",
+]
+
+[[package]]
+name = "memchr"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
+[[package]]
+name = "regex"
+version = "1.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..d66b2ad
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "fw-anwesenheit"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+regex = "1.11.1"
diff --git a/src/id_store.rs b/src/id_store.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/id_store.rs
@@ -0,0 +1 @@
+
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..313293f
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,7 @@
+mod parser;
+mod pm3;
+mod id_store;
+
+fn main() {
+    pm3::RunPm3().unwrap();
+}
diff --git a/src/parser.rs b/src/parser.rs
new file mode 100644
index 0000000..4c65019
--- /dev/null
+++ b/src/parser.rs
@@ -0,0 +1,8 @@
+use regex::Regex;
+
+pub fn ParseLine(line: &str) -> Option<String> {
+    let regex = Regex::new(r"(?m)^\[\+\] UID.... (.*)$").unwrap();
+    let result = regex.captures(line);
+
+    result.map(|c| c.get(1).unwrap().as_str().to_owned())
+}
diff --git a/src/pm3.rs b/src/pm3.rs
new file mode 100644
index 0000000..e0fa943
--- /dev/null
+++ b/src/pm3.rs
@@ -0,0 +1,34 @@
+use std::error::Error;
+use std::process::{Command, Stdio};
+use std::io::{self, BufRead};
+
+pub fn RunPm3() -> Result<(), Box<dyn Error>> {
+    let mut cmd = Command::new("stdbuf")
+        .arg("-oL")
+        .arg("pm3")
+        .arg("-c")
+        .arg("lf hitag reader -@")
+        .stdout(Stdio::piped())
+        .spawn()?;
+
+    let stdout = cmd.stdout.take().ok_or("Failed to get stdout")?;
+    let reader = io::BufReader::new(stdout);
+
+    for line_result in reader.lines() {
+        match line_result {
+            Ok(line) => {
+                let parse_result = super::parser::ParseLine(&line);
+                if let Some(uid) = parse_result {
+                    println!("UID: {}",uid);
+                }
+            }
+            Err(e) => {
+                eprintln!("{}",e);
+            }
+        }
+    }
+
+    let status = cmd.wait().expect("Failed to wait on child");
+
+    Ok(())
+}